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| author | Justin Ruggles <justin.ruggles@gmail.com> | 2012-01-08 19:50:31 -0500 |
|---|---|---|
| committer | Justin Ruggles <justin.ruggles@gmail.com> | 2012-01-11 08:56:24 -0500 |
| commit | 82390f57d1714fdc952c15ba91511d93f2e59bfc (patch) | |
| tree | efad4f447a332c17c0fd4c5dd9dcf55e2b6c0ace /libavcodec/gsm.h | |
| parent | f1355dfcd6cf0a4d413d7b04c2c166b825d559ce (diff) | |
| download | ffmpeg-82390f57d1714fdc952c15ba91511d93f2e59bfc.tar.gz | |
avcodec: add GSM parser
The WAVE demuxer returns packets with many blocks per frame, which needs to be
parsed into single blocks. This has a side-effect of fixing the timestamps.
Diffstat (limited to 'libavcodec/gsm.h')
| -rw-r--r-- | libavcodec/gsm.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/libavcodec/gsm.h b/libavcodec/gsm.h new file mode 100644 index 0000000000..c7c3e22bde --- /dev/null +++ b/libavcodec/gsm.h @@ -0,0 +1,31 @@ +/* + * GSM common header + * + * This file is part of Libav. + * + * Libav is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * Libav is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVCODEC_GSM_H +#define AVCODEC_GSM_H + +/* bytes per block */ +#define GSM_BLOCK_SIZE 33 +#define GSM_MS_BLOCK_SIZE 65 + +/* samples per block */ +#define GSM_FRAME_SIZE 160 + +#endif /* AVCODEC_GSM_H */ |